It happened at a gas station off Green Bridge and Highway 242.
PHOTOS: Detectives investigate deadly shooting
Police say the two people shot were a mother and father who are in the process of divorcing. The father, identified as Drayton Norwood, was meeting his estranged wife, Sheri Roberts, at the gas station to give her their two sons.
At some point, police say Norwood became "extremely angry" and pulled out a gun. Police say he then shot Roberts in the head before turning the gun on himself.
Norwood died on the scene. Roberts died at the hospital.
The couple's children, ages 11 and 14, were there at the time of the shooting. Both witnessed the entire incident, but neither of them got hurt. They are now staying with other family members.